Closure



FIG. 1 is a perspective view of a closure, embodying our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a right side elevational view thereof; the left side elevational view thereof being a mirror image.

The broken line showing of a container is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a closure, as shown and described. 